MCP4162T-502I/SL View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

MCP4162T-502I/SL

7/8-Bit Single/Dual SPI Digital POT with Volatile Memory

Microchip Technology 

MCP413X/415X/423X/425X

7.5.2 CONTINUOUS WRITES

Continuous writes are possible only when writing to the

volatile memory registers (address 00h, 01h, and 04h).

Figure 7-3 shows the sequence for three continuous

writes. The writes do not need to be to the same volatile

memory address.

SDI

SDO

COMMAND BYTE

DATA BYTE

AAAA 0 0DDDDDDDDDD

DDDD

9876543210

3210

1 1 1 1 1 1 1* 1 1 1 1 1 1 1 1 1

AAAA 0 0DDDDDDDDDD

DDDD

9876543210

3210

1 1 1 1 1 1 1* 1 1 1 1 1 1 1 1 1

AAAA 0 0DDDDDDDDDD

DDDD

9876543210

3210

1 1 1 1 1 1 1* 1 1 1 1 1 1 1 1 1

Note 1: If a Command Error (CMDERR) occurs at this bit location (*), then all following SDO bits will be

driven low until the CS pin is driven inactive (VIH).

FIGURE 7-3:

Continuous Write Sequence.

DS22060B-page 52

© 2008 Microchip Technology Inc.

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